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Linear Movement along a direction set by an angle
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Movement = Class{} | |
function Movement:init(x, y, angle, speed) | |
self.position = vector(x, y) | |
self.angle = angle | |
self.speed = speed | |
self.velocity = self.speed * vector(math.cos(self.angle), math.sin(self.angle)) | |
end | |
function Movement:update(dt) | |
self.position = self.position + self.velocity * dt | |
end | |
function Movement:getCoords() | |
return self.position:unpack() | |
end |
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function love.load() | |
x, y = 100,100 | |
angle = 0 | |
image = love.graphics.newImage('image.png') | |
speed = 50 | |
rotspeed = 1 | |
end | |
function love.draw() | |
love.graphics.draw(image,x,y,angle) | |
end | |
function love.update(dt) | |
if love.keyboard.isDown('up') then | |
x = x + math.cos(angle) * speed * dt | |
y = y + math.sin(angle) * speed * dt | |
end | |
if love.keyboard.isDown('down') then | |
x = x - math.cos(angle) * speed * dt | |
y = y - math.sin(angle) * speed * dt | |
end | |
if love.keyboard.isDown('left') then | |
angle = angle - rotspeed * dt | |
end | |
if love.keyboard.isDown('right') then | |
angle = angle + rotspeed * dt | |
end | |
end |
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